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Scientific Name | Physopyxis cristata Sousa & Rapp Py-Daniel, 2005 |
Common Name | |
Type Locality | Mouth of igarapé Zamula, rio Negro, Amazonas State, Brazil, 0°51'48"S, 62°46'44"W. |
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Size | 23mm or 0.9" SL. Find near, nearer or same sized spp. |
Identification | Physopyxis can be distinguished from the other Doradidae by the miniature size (adults generally less than 31 mm SL) and a unique combination of additional features: extreme development of the exposed pectoral girdle; well developed coracoid process longer than the postcleithral process; anterior plate of the nuchal shield absent; dorsal spine serrated only along the basal portion of its anterior margin; two infraorbital bones in young that become fused into a single plate in adult specimens; pectoral spine reaching to base of anal fin. |
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Distribution | South America: Rio Negro basin of the Amazon drainage in Brazil. Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there) Login to view the map. |
IUCN Red List Category | Least Concern , range map and more is available on the IUCN species page. Last assessed 2018. |
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Breeding | Unreported in the aquarium. |
Breeding Reports | There is no breeding report. |
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Reference | Neotropical Ichthyology v. 3 (no. 4), pp 632, Figs. 7, 8a. |
Registered Keepers | There is no registered keeper. |
Wishlists | Love this species? Click the heart to add it to your wish list. There is no wish to keep this species. |
Spotters | Spotted this species somewhere? Click the binoculars! There is no record of this fish being seen. |
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Search for P. cristata | |
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Look up P. cristata on Global Biodiversity Information Facility | |
LFS label creator ARN ref:1.12.274.4018 | |
Last Update | 2025 Jan 01 11:59 (species record created: 2011 Sep 24 09:31) |